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<head><meta charset="utf-8"><title>I-prioritize #72051 Huge compilation time for small snippet · t-compiler/wg-prioritization · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/index.html">t-compiler/wg-prioritization</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2372051.20Huge.20compilation.20time.20for.20small.20snippet.html">I-prioritize #72051 Huge compilation time for small snippet</a></h3>

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<a name="196996024"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2372051%20Huge%20compilation%20time%20for%20small%20snippet/near/196996024" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> triagebot <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2372051.20Huge.20compilation.20time.20for.20small.20snippet.html#196996024">(May 09 2020 at 15:08)</a>:</h4>
<p><span class="user-group-mention" data-user-group-id="2403">@WG-prioritization</span> issue <a href="https://github.com/rust-lang/rust/issues/72051" title="https://github.com/rust-lang/rust/issues/72051">#72051</a> has been requested for prioritization.</p>



<a name="196996123"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2372051%20Huge%20compilation%20time%20for%20small%20snippet/near/196996123" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Léo Lanteri Thauvin <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2372051.20Huge.20compilation.20time.20for.20small.20snippet.html#196996123">(May 09 2020 at 15:11)</a>:</h4>
<p>Seems really bad</p>



<a name="196996130"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2372051%20Huge%20compilation%20time%20for%20small%20snippet/near/196996130" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Léo Lanteri Thauvin <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2372051.20Huge.20compilation.20time.20for.20small.20snippet.html#196996130">(May 09 2020 at 15:11)</a>:</h4>
<p>This is worth bisecting to find out if this is a regression</p>



<a name="196996421"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2372051%20Huge%20compilation%20time%20for%20small%20snippet/near/196996421" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lcnr <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2372051.20Huge.20compilation.20time.20for.20small.20snippet.html#196996421">(May 09 2020 at 15:18)</a>:</h4>
<p>It's fairly difficult to further minimize this, so it may not be that horrible</p>



<a name="196996573"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2372051%20Huge%20compilation%20time%20for%20small%20snippet/near/196996573" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Yuki Okushi <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2372051.20Huge.20compilation.20time.20for.20small.20snippet.html#196996573">(May 09 2020 at 15:22)</a>:</h4>
<p>Seems it occurs from 1.43.0</p>



<a name="196998689"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2372051%20Huge%20compilation%20time%20for%20small%20snippet/near/196998689" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lcnr <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2372051.20Huge.20compilation.20time.20for.20small.20snippet.html#196998689">(May 09 2020 at 16:12)</a>:</h4>
<p>See <a href="https://github.com/rust-lang/rust/issues/72051#issuecomment-626192867" title="https://github.com/rust-lang/rust/issues/72051#issuecomment-626192867">https://github.com/rust-lang/rust/issues/72051#issuecomment-626192867</a>, not yet completely sure about the different priorities, but I guess this is ~<code>P-medium</code> as it is still fairly unlikely even if it freezes the compiler</p>



<a name="197013157"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2372051%20Huge%20compilation%20time%20for%20small%20snippet/near/197013157" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Wesley Wiser <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2372051.20Huge.20compilation.20time.20for.20small.20snippet.html#197013157">(May 09 2020 at 21:13)</a>:</h4>
<p>Yeah, seems really bad. I'm going to mark <code>P-high</code> for now. We can adjust the priority if need be later.</p>



<a name="197013161"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2372051%20Huge%20compilation%20time%20for%20small%20snippet/near/197013161" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> triagebot <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2372051.20Huge.20compilation.20time.20for.20small.20snippet.html#197013161">(May 09 2020 at 21:13)</a>:</h4>
<p>Issue <a href="https://github.com/rust-lang/rust/issues/72051" title="https://github.com/rust-lang/rust/issues/72051">#72051</a>'s prioritization request has been removed.</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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